:nth-child(2n+1) {}
:nth-child(2n +1) {}
:nth-child(2n + 1) {}
:nth-child(2n+ 1) {}
:nth-child(2n-1) {}
:nth-child(2n -1) {}
:nth-child(2n- 1) {}
:nth-child(2n - 1) {}
:nth-child(-2n+1) {}
:nth-child(-2n +1) {}
:nth-child(-2n + 1) {}
:nth-child(-2n+ 1) {}
:nth-child(-2n-1) {}
:nth-child(-2n -1) {}
:nth-child(-2n - 1) {}
:nth-child(+2n+1) {}
:nth-child(+2n +1) {}
:nth-child(+2n + 1) {}
:nth-child(+2n+ 1) {}
:nth-child(+2n-1) {}
:nth-child(+2n -1) {}
:nth-child(+2n- 1) {}
:nth-child(+2n - 1) {}
:nth-child(n+1) {}
:nth-child(n +1) {}
:nth-child(n + 1) {}
:nth-child(n+ 1) {}
:nth-child(n-1) {}
:nth-child(n -1) {}
:nth-child(n- 1) {}
:nth-child(n - 1) {}
:nth-child(-n+1) {}
:nth-child(-n +1) {}
:nth-child(-n + 1) {}
:nth-child(-n+ 1) {}
:nth-child(-n-1) {}
:nth-child(-n -1) {}
:nth-child(-n- 1) {}
:nth-child(-n - 1) {}
:nth-child(+n+1) {}
:nth-child(+n +1) {}
:nth-child(+n + 1) {}
:nth-child(+n+ 1) {}
:nth-child(+n-1) {}
:nth-child(+n -1) {}
:nth-child(+n- 1) {}
:nth-child(+n - 1) {}
:nth-child(n) {}
:nth-child(-n) {}
:nth-child(+n) {}
:nth-child(2n) {}
:nth-child(-2n) {}
:nth-child(+2n) {}
:nth-child(N) {}
:nth-child(-N) {}
:nth-child(+N) {}
:nth-child(2N) {}
:nth-child(-2N) {}
:nth-child(+2N) {}
:nth-child(1) {}
:nth-child(-1) {}
:nth-child(+1) {}
:nth-child(123456n-12345678) {}

:Nth-Child(2n+1) {}
:NTH-CHILD(2n+1) {}

:nth-child(odd) {}
:nth-child(ODD) {}
:nth-child(oDd) {}
:nth-child(even) {}
:nth-child(eVeN) {}
:nth-child(EVEN) {}

:nth-child(/*test*/2n/*test*/+/*test*/1/*test*/) {}
:nth-last-child(/*test*/+3n/*test*/-/*test*/2/*test*/) {}

:nth-child(  2n  +  1  ) {}
:nth-last-child(  +3n  -  2  ) {}

:nth-child(-2n+1) {}
:nth-last-child(2n+1) {}
:nth-of-type(2n+1) {}
:nth-last-of-type(2n+1) {}

:nth-col(odd) {}
:nth-col(2n+1) {}
:nth-last-col(odd) {}
:nth-last-col(2n+1) {}


p:nth-child(0){}
p:nth-child(+0){}
p:nth-child(-0){}
p:nth-child(1){}
p:nth-child(+1){}
p:nth-child(-1){}
p:nth-child(3){}
p:nth-child(+3){}
p:nth-child(-3){}

:nth-child(2n+1 of li) {}
:nth-child(   2n+1 of li   ) {}
:nth-child(2n+1 of li,.test) {}
:nth-child(2n+1 of li, .test) {}
:nth-child(-n+3 of li.important) {}
tr:nth-child(even of :not([hidden])) {}
:nth-child(2n+1) .class {}
